公开(公告)号：US20070151357A1

公开(公告)日：2007-07-05

申请号：US11322721

申请日：2005-12-30

Applicant: Anthony Kurtz ,  Adam Kane ,  Louis DeRosa

Inventor： Anthony Kurtz ,  Adam Kane ,  Louis DeRosa

IPC: G01B7/16

CPC classification number: G01B7/18 ,  G01L1/2231

Abstract: A hermetically sealed displacement sensor has strain gauges placed on thin flexible triangular shaped beams of a load beam cell. The strain gauges are enclosed in a hermetically sealed cavity which cavity is sealed by means of a cover plate placed over the load beam cell. The thin beams are connected together by a center hub and basically form two constant moment beams. There is a top isolation diaphragm member which is convoluted and to which a force is applied which applied force is transmitted to the thin flexible beams. The beams deflect and the sensors produce an output proportional to strain. The sensors on each beam are two in number wherein one sensor is placed in a longitudinal direction with respect to the beam while the other sensor is in a transverse position. The sensors may be wired to form a full Wheatstone bridge or half bridges may be employed. The electrical output from the strain gauge bridge is proportional to the deflection of the center of the sensor.

公开(公告)号：US20070089526A1

公开(公告)日：2007-04-26

申请号：US11258787

申请日：2005-10-26

Applicant: Anthony Kurtz ,  Alexander Ned

Inventor： Anthony Kurtz ,  Alexander Ned

IPC: G01L9/00

CPC classification number: G01L9/0042 ,  G01L9/0055

Abstract: A semiconductor chip for use in fabricating pressure transducers, including: a semiconductor wafer having a top and a bottom surface, a layer of an insulating material formed on the top surface, the bottom surface having at least two recesses of substantially equal dimensions and spaced apart, the recesses providing first and second substantially equal thin active areas, which areas deflect upon application to a force applied to the top surface, a first plurality of piezoresistive devices arranged in a given pattern and positioned on the insulating material and located within the first area, a second equal plurality of piezoresistive devices arranged in the identical pattern and located on the insulating material within the second active area, first connecting means for connecting the first plurality of piezoresistive devices in a first array, second connecting means for connecting the second plurality of piezoresistive devices in a second array corresponding to the first array.

公开(公告)号：US20060025955A1

公开(公告)日：2006-02-02

申请号：US11007681

申请日：2004-12-08

Applicant: Anthony Kurtz ,  Wolf Landmann

Inventor： Anthony Kurtz ,  Wolf Landmann

IPC: G01R27/28

CPC classification number: G01N9/266

Abstract: A gas density transducer including: a piezoresistive bridge sensor operative to provide an output indicative of an applied pressure, a computing processor having multiple inputs and at least one output, with the output of the bridge sensor coupled to an input of the processor; a temperature sensor coupled to an input of the processor for providing at an output a signal indicative of a temperature of the bridge sensor, the output of the temperature sensor coupled to an input of the processor; and, at least one memory accessible by the processor and having stored therein: compensation coefficients for compensating the output of the bridge sensor for temperature variation; gas specific coefficients of the Van der Waal's equation; and, code for providing at an output of the processor a signal indicative of a gas density when the bridge is subjected to a gas containing environment.

Abstract translation: 一种气体密度传感器，包括：压阻电桥传感器，用于提供指示施加的压力的输出，具有多个输入和至少一个输出的计算处理器，所述桥接传感器的输出耦合到所述处理器的输入; 耦合到所述处理器的输入的温度传感器，用于在输出端提供指示所述桥式传感器的温度的信号，所述温度传感器的输出耦合到所述处理器的输入; 以及至少一个可由处理器访问并且存储在其中的存储器;用于补偿桥式传感器的温度变化的输出的补偿系数; 范德华方程的气体特异系数; 以及用于在处理气体包含环境时在处理器的输出处提供指示气体密度的信号的代码。

公开(公告)号：US20060023988A1

公开(公告)日：2006-02-02

申请号：US11014007

申请日：2004-12-16

Applicant: Anthony Kurtz ,  Boaz Kochman ,  Joseph VanDeWeert

Inventor： Anthony Kurtz ,  Boaz Kochman ,  Joseph VanDeWeert

IPC: G02B6/00

CPC classification number: G01L9/0079 ,  G02B6/136 ,  G02B2006/12138 ,  G02B2006/12159

Abstract: A pressure sensor including: a deflectable diaphragm including a substantially central boss and channel; and, an optical waveguide having first and second arms, wherein the first arm is substantially aligned with an edge of the boss and the second arm is substantially aligned with an edge of the channel.

Abstract translation: 一种压力传感器，包括：可偏转隔膜，其包括基本中心的凸台和通道; 以及具有第一和第二臂的光波导，其中所述第一臂基本上与所述凸台的边缘对齐，并且所述第二臂基本上与所述通道的边缘对准。

公开(公告)号：US20050286995A1

公开(公告)日：2005-12-29

申请号：US11063205

申请日：2005-02-22

Applicant: Tonghuo Shang ,  Anthony Kurtz

Inventor： Tonghuo Shang ,  Anthony Kurtz

IPC: F01D1/00 ,  F01D11/06 ,  F01D11/20

CPC classification number: G01B13/12 ,  F01D11/06 ,  F01D11/20 ,  F05D2270/301

Abstract: A system for sensing at least one physical characteristic associated with an engine including a turbine having a plurality of blades turning inside a casing, the system including: a pressure sensor coupled substantially adjacent to the casing and including at least one output; a port in the turbine casing for communicating a pressure indicative of a clearance between the blades and casing to the pressure sensor; a cooling cavity substantially surrounding the pressure sensor; and, an inlet for receiving fluid from the engine and feeding the fluid to the cooling cavity to cool the pressure sensor; wherein, the pressure sensor output is indicative of the clearance between the blades and casing.

Abstract translation: 一种用于感测与发动机相关联的至少一个物理特性的系统，包括具有在壳体内部转动的多个叶片的涡轮机，所述系统包括：压力传感器，其基本上与壳体相邻并且包括至少一个输出; 涡轮壳体中的端口，用于将指示叶片和壳体之间的间隙的压力传递到压力传感器; 基本上围绕压力传感器的冷却腔; 以及用于从发动机接收流体并将流体供给到冷却腔以冷却压力传感器的入口; 其中，压力传感器输出表示叶片和壳体之间的间隙。

公开(公告)号：US20050235753A1

公开(公告)日：2005-10-27

申请号：US10830796

申请日：2004-04-23

Applicant: Anthony Kurtz

Inventor： Anthony Kurtz

IPC: G01L7/08 ,  G01L13/02 ,  G01L19/06

CPC classification number: G01L19/0609 ,  G01L13/025

Abstract: A sensor is described, which basically consists of a leadless high sensitivity differential transducer chip which responds to both static and dynamic pressure. Located on the transducer are two sensors. One sensor has a thicker diaphragm and responds to both static and dynamic pressure to produce an output indicative of essentially static pressure, the static pressure being of a much higher magnitude than dynamic pressure. The other sensor has a thinner diaphragm and has one side or surface responsive to both static and dynamic pressure. The other side of the differential sensor or transducer structure has a long serpentine reference tube coupled to the underneath of the diaphragm. The tube only allows static pressure to be applied on the underside of the diaphragm and because of the natural resonance frequency of the tube, the dynamic pressure is suppressed and does not, in any manner, interface with the sensor or transducer having a thinned diaphragm. Thus, the thinned diaphragm differential unit provides an output which is indicative of the dynamic pressure, as the static pressure applied to both the top and bottom surfaces of the transducer sensor is cancelled.

Abstract translation: 描述了一种传感器，其基本上由无级高灵敏度差分换能器芯片组成，其响应静态和动态压力。 位于传感器上的是两个传感器。 一个传感器具有较厚的隔膜并响应静态和动态压力以产生指示基本静态压力的输出，静压力比动态压力大得多的量级。 另一个传感器具有更薄的隔膜，并且具有响应静态和动态压力的一侧或表面。 差分传感器或换能器结构的另一侧具有耦合到隔膜下方的长蛇形参考管。 该管仅允许静压力施加在隔膜的下侧，并且由于管的固有谐振频率，动压被抑制，并且不以任何方式与具有变薄隔膜的传感器或换能器相接合。 因此，由于施加到换能器传感器的顶表面和底表面的静压力被消除，所以薄化隔膜差分单元提供表示动态压力的输出。

公开(公告)号：US20050150286A1

公开(公告)日：2005-07-14

申请号：US11003238

申请日：2004-12-03

Applicant: Anthony Kurtz ,  Wolf Landmann

Inventor： Anthony Kurtz ,  Wolf Landmann

IPC: B60C23/04 ,  B60C23/02

CPC classification number: B60C23/0413 ,  B60C23/0433

Abstract: A transducer is implemented to operate with transmitted frequency signals. These transmitted signals provide a bias potential to the transducer and enable the transducer to transmit a transducer output signal to a remote location. The transducer has an antenna for receiving transmitted signals. The antenna is coupled to a rectifier circuit; the rectifier circuit is operative to provide a DC voltage in response to said received transmitted signals. This DC voltage is applied to the piezoresistive array via a switching arrangement coupled between the array and the rectifier circuit. An interface circuit controls the switching arrangement to enable DC bias to be applied to the array in a first mode and to remove the bias in a second mode.

Abstract translation: 实现传感器以与发射的频率信号一起操作。 这些传输的信号为换能器提供偏置电位，并使换能器将换能器输出信号传输到远程位置。 换能器具有用于接收发射信号的天线。 天线耦合到整流电路; 整流电路可操作以响应于所接收的发送信号而提供DC电压。 该直流电压通过耦合在阵列和整流器电路之间的开关装置施加到压阻阵列。 接口电路控制开关布置以使得能够以第一模​​式将DC偏压施加到阵列并且在第二模式中去除偏置。

公开(公告)号：US20050081637A1

公开(公告)日：2005-04-21

申请号：US10897567

申请日：2004-07-23

Applicant: Anthony Kurtz ,  Louis DeRosa

Inventor： Anthony Kurtz ,  Louis DeRosa

IPC: G01L7/08 ,  G01L9/06

CPC classification number: G01L9/06

Abstract: A pressure transducer apparatus including: first and second pluralities of piezoresistors each coupled in Wheatstone bridge configurations, wherein the bridges are coupled together to provide a first output being indicative of a differential pressure; and, a third plurality of piezoresistors coupled in a Wheatstone bridge configuration and being suitable for providing a second output being indicative of an absolute line pressure. A compensator may be employed for adjusting the first output for line pressure variation responsively to the second output.

Abstract translation: 一种压力传感器装置，包括：第一和第二多个压电电阻器，每个以惠斯通电桥配置耦合，其中所述桥耦合在一起以提供指示压差的第一输出; 以及以惠斯通电桥结构耦合并且适于提供表示绝对线路压力的第二输出的第三多个压电电感器。 可以采用补偿器来调整响应于第二输出的线路压力变化的第一输出。